BRIEFSDisappearance ofstudent vexes manyCONCORD, N.H. —Tenyears ago, Maura Murray packed her car, lied to professors about a death in thefamily and left Massachusetts. That night, on a rural road in the northern part of NewHampshire,the 21-year-old nursing student crashed her car.Fred Murray believes his daughter is dead, the victim of a crime. But he wants to keep her cast' in the public eye in hopes of finally knowing what really happened that night on the threshold of the White Mountain National Forest. There’s no letting go,” said Murray, a medical technician in Bridgeport, Conn. “My daughterwouldn’t want me to quiton her.”Murray